It’s in the nature of theories to be overturned by new data. So how much trust should be put in current theories? Even the positivists like the reporters in New Scientist recognize that “There is no such thing as scientific truth, just a set of provisional truths that are subject to revision or rejection when […]
We often hear exciting news about 'habitable planets' that might have life, or at least the 'building blocks of life.' Are these reports based on sound thinking about the requirements?
Believers in space aliens, or even space bacteria, have cast all restraint to the wind. SETI today is indistinguishable from a cult, and so is its stepchild, astrobiology.